//
// Created by harrytsz on 2021/1/8.
//

#ifndef CPPPRIMER11_SALES_ITEM_H
#define CPPPRIMER11_SALES_ITEM_H

#include<iostream>
#include<string>

class Sales_item {
    friend std::istream& operator>>(std::istream&, Sales_item&);
    friend std::ostream& operator<<(std::ostream&, const Sales_item&);
    friend bool operator<(const Sales_item&, const Sales_item&);
    friend bool operator==(const Sales_item&, const Sales_item&);
};

#endif //CPPPRIMER11_SALES_ITEM_H
